General

  • Target

    New Client.exe

  • Size

    164KB

  • Sample

    241215-ga1wkavras

  • MD5

    865bf3d2eeb62c50359ede787f510100

  • SHA1

    462a1745c2da3d1ae7688a3fda60e441debede32

  • SHA256

    863a54fcc0edc46e52df772d40698c5645029ea6031022ea8e19a686245d49c6

  • SHA512

    6d37e88b08fbff52db3db3b19627f49cdad54082c9b34ad8decb90857ab8318b14764a3ee5e6a4dd96f4e272daf8ebfb79139bc3332d8842368431383932d862

  • SSDEEP

    3072:8w11/wTvYZDDNF90qhRb70L8czxE2YY6q9bLzl6fHMEBuo:8wZD9b70wczSTYh9bAlD

Malware Config

Targets

    • Target

      New Client.exe

    • Size

      164KB

    • MD5

      865bf3d2eeb62c50359ede787f510100

    • SHA1

      462a1745c2da3d1ae7688a3fda60e441debede32

    • SHA256

      863a54fcc0edc46e52df772d40698c5645029ea6031022ea8e19a686245d49c6

    • SHA512

      6d37e88b08fbff52db3db3b19627f49cdad54082c9b34ad8decb90857ab8318b14764a3ee5e6a4dd96f4e272daf8ebfb79139bc3332d8842368431383932d862

    • SSDEEP

      3072:8w11/wTvYZDDNF90qhRb70L8czxE2YY6q9bLzl6fHMEBuo:8wZD9b70wczSTYh9bAlD

    • Renames multiple (5089) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks